It looks like this is a web page, not a feed. I looked for a feed associated with this page, but couldn't find one. Please enter the address of your feed to validate.

Source: http://widegeinou.seesaa.net/index.rdf

  1. <!DOCTYPE HTML>
  2. <html lang="ja">
  3. <head>
  4.  <meta charset="UTF-8">
  5.  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  6.  <meta name="viewport" content="width=device-width, initial-scale=1">
  7.  <title>404 Not Found | 株式会社したらば</title>
  8.  <link rel="stylesheet" href="https://blog.seesaa.jp/css/normalize.css">
  9.  <link rel="stylesheet" href="https://blog.seesaa.jp/css/error.css">
  10. </head>
  11. <body>
  12. <script type="text/javascript">
  13. (function(w,d,s){
  14.  var f=d.getElementsByTagName(s)[0],j=d.createElement(s);
  15.  j.async=true;j.src='//dmp.im-apps.net/js/7262/0001/itm.js';
  16.  f.parentNode.insertBefore(j, f);
  17. })(window,document,'script');
  18. </script>
  19.  
  20. <script>
  21. (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
  22. (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
  23. m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
  24. })(window,document,'script','//www.google-analytics.com/analytics.js','ga');
  25.  
  26. ga('create', 'UA-3627280-39', 'auto');
  27. ga('send', 'pageview');
  28. </script>
  29. <div id="wrapper">
  30.  <div id="header">
  31.    <div class="logo"><a href="https://blog.seesaa.jp/"><img src="https://blog.seesaa.jp/img/img_seesaalogo_transparent.png" alt="株式会社したらば"></a></div>
  32.  </div><!-- #header -->
  33.  
  34. <script>
  35. <!--
  36. if ( 0 <= navigator.userAgent.indexOf('Android') ) {
  37. var adstir_vars = {ver: "4.0", app_id: "d1acb7ae",ad_spot: 1, center: false};
  38. } else if ( 0 <= navigator.userAgent.indexOf('iPhone') ) {
  39. var adstir_vars = {ver: "4.0", app_id: "5f7f5dd8", ad_spot: 1, center: false};
  40. }
  41. if ( 0 <= navigator.userAgent.indexOf('Android') || 0 <= navigator.userAgent.indexOf('iPhone') ) {
  42.  document.write('<script src="https://js.ad-stir.com/js/adstir.js?20130527"></script>');
  43. }
  44. //-->
  45. </script>
  46.  
  47.  <h1 class="title">404 Not Found</h1>
  48.  <p class="description">お探しのページは見つかりませんでした。<br>削除または非公開に設定されている可能性があります。<br>URLに誤りがないかもご確認ください。 </p>
  49.  
  50.  <div id="ad_all">
  51.    <div class="ad" id="ad_1">
  52.      <!-- Revive Adserver JavaScriptタグ - Generated with Revive Adserver v4.1.4 -->
  53.      <script type='text/javascript'><!--//<![CDATA[
  54.   var m3_u = (location.protocol=='https:'?'https://tx.creativecarrer.com/www/delivery/ajs.php':'http://tx.creativecarrer.com/www/delivery/ajs.php');
  55.   var m3_r = Math.floor(Math.random()*99999999999);
  56.   if (!document.MAX_used) document.MAX_used = ',';
  57.   document.write ("<scr"+"ipt type='text/javascript' src='"+m3_u);
  58.   document.write ("?zoneid=212");
  59.   document.write ('&amp;cb=' + m3_r);
  60.   if (document.MAX_used != ',') document.write ("&amp;exclude=" + document.MAX_used);
  61.   document.write (document.charset ? '&amp;charset='+document.charset : (document.characterSet ? '&amp;charset='+document.characterSet : ''));
  62.   document.write ("&amp;loc=" + escape(window.location));
  63.   if (document.referrer) document.write ("&amp;referer=" + escape(document.referrer));
  64.   if (document.context) document.write ("&context=" + escape(document.context));
  65.   if (document.mmm_fo) document.write ("&amp;mmm_fo=1");
  66.   document.write ("'><\/scr"+"ipt>");
  67. //]]>--></script><noscript><a href='http://tx.creativecarrer.com/www/delivery/ck.php?n=aea59830&amp;cb=INSERT_RANDOM_NUMBER_HERE' target='_blank'><img src='http://tx.creativecarrer.com/www/delivery/avw.php?zoneid=212&amp;cb=INSERT_RANDOM_NUMBER_HERE&amp;n=aea59830' border='0' alt='' /></a></noscript>
  68. </div>
  69.    <div class="ad_pc" id="ad_2">
  70.      <!-- Revive Adserver JavaScriptタグ - Generated with Revive Adserver v4.1.4 -->
  71.      <script type='text/javascript'><!--//<![CDATA[
  72.   var m3_u = (location.protocol=='https:'?'https://tx.creativecarrer.com/www/delivery/ajs.php':'http://tx.creativecarrer.com/www/delivery/ajs.php');
  73.   var m3_r = Math.floor(Math.random()*99999999999);
  74.   if (!document.MAX_used) document.MAX_used = ',';
  75.   document.write ("<scr"+"ipt type='text/javascript' src='"+m3_u);
  76.   document.write ("?zoneid=211");
  77.   document.write ('&amp;cb=' + m3_r);
  78.   if (document.MAX_used != ',') document.write ("&amp;exclude=" + document.MAX_used);
  79.   document.write (document.charset ? '&amp;charset='+document.charset : (document.characterSet ? '&amp;charset='+document.characterSet : ''));
  80.   document.write ("&amp;loc=" + escape(window.location));
  81.   if (document.referrer) document.write ("&amp;referer=" + escape(document.referrer));
  82.   if (document.context) document.write ("&context=" + escape(document.context));
  83.   if (document.mmm_fo) document.write ("&amp;mmm_fo=1");
  84.   document.write ("'><\/scr"+"ipt>");
  85. //]]>--></script><noscript><a href='http://tx.creativecarrer.com/www/delivery/ck.php?n=a5a82f21&amp;cb=INSERT_RANDOM_NUMBER_HERE' target='_blank'><img src='http://tx.creativecarrer.com/www/delivery/avw.php?zoneid=211&amp;cb=INSERT_RANDOM_NUMBER_HERE&amp;n=a5a82f21' border='0' alt='' /></a></noscript>
  86. </div>
  87.  </div><!-- #ad_all -->
  88.  
  89.  <div id="homebutton">
  90.    <a href="https://blog.seesaa.jp/" class="homebuttonlink"><img src="https://blog.seesaa.jp/img/ico_home.png">トップページへ戻る</a>
  91.  </div><!-- #homebutton -->
  92.  
  93.  <div id="footer">
  94.    <ul class="footerlink">
  95.      <li class="aup_link"><a href="http://kiyaku.seesaa.net/category/547790-1.html">利用規約</a></li>
  96.      <li><a href="https://kiyaku.seesaa.net/category/548011-1.html">プライバシーポリシー</a></li>
  97.      <li class="insertion_link"><a href="https://forms.shitaraba.co.jp/ad/">広告掲載について</a></li>
  98.      <li class="smartver2"><a href="https://forms.shitaraba.co.jp/seesaablog/">お問い合わせ</a></li>
  99.    </ul>
  100.    <p class="copyright">
  101.      Copyright(c) Shitaraba, Inc. All Rights Reserved
  102.    </p>
  103.  </div><!-- #footer -->
  104. </div><!-- #wrapper -->
  105. </body>
  106. </html>
  107.  
Copyright © 2002-9 Sam Ruby, Mark Pilgrim, Joseph Walton, and Phil Ringnalda